#ifndef COIN_SBBASIC_H
#define COIN_SBBASIC_H

/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) by Kongsberg Oil & Gas Technologies.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Kongsberg Oil & Gas Technologies
 *  about acquiring a Coin Professional Edition License.
 *
 *  See http://www.coin3d.org/ for more information.
 *
 *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
 *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
 *
\**************************************************************************/

#include <Inventor/C/basic.h>


/* ********************************************************************** */
/* Trap people trying to use Inventor headers while compiling C source code.
 * (we get support mail about this from time to time)
 */
#ifndef __cplusplus
#error You are not compiling C++ - maybe your source file is named <file>.c
#endif

/* ********************************************************************** */
/* Include these for Open Inventor compatibility reasons (they are not
 * actually used in Coin.)
 */
#define SoEXTENDER
#define SoINTERNAL

/* ********************************************************************** */


template <class Type>
inline Type SbAbs( Type Val ) {
  return (Val < 0) ? 0 - Val : Val;
}

template <class Type>
inline Type SbClamp( const Type Val, const Type Min, const Type Max ) {
  return (Val < Min) ? Min : (Val > Max) ? Max : Val;
}


/* *********************************************************************** */

// SbDividerChk() - checks if divide-by-zero is attempted, and emits a
// warning if so for debug builds.  inlined like this to not take much
// screenspace in inline functions.

// cc_debugerror_post() is not attempted resolved before the template is
// used, hence the missing Inventor/errors/SoDebugError.h #include. This
// "trick" does only work *portably* for functions in the global namespace.

template <typename Type>
inline void SbDividerChk(const char * funcname, Type divider) {
#ifndef NDEBUG
  if (!(divider != static_cast<Type>(0)))
    cc_debugerror_post(funcname, "divide by zero error.", divider);
#endif // !NDEBUG
}

#endif /* !COIN_SBBASIC_H */
